<template>
  <el-row class="home"
          :gutter="20">

    <el-col :span="8"
            style="margin-top:20px">

      <el-card shadow="hover">
        <div class="user">
          <img :src="userImg">
          <div class="userinfo">
            <p class="name">Admin</p>
            <p class="access">超级管理员</p>
          </div>
        </div>
        <div class="login-info">
          <p>上次登录时间: <span>2022-01-01</span></p>
          <p>上次登录地点: <span>长沙</span></p>
        </div>
      </el-card>

      <el-card style="margin-top: 20px; height: 460px">
        <el-table :data="tableData">
          <el-table-column v-for="(val,key) in tableLabel"
                           :key="key"
                           :prop="key"
                           :label="val">
          </el-table-column>
        </el-table>
      </el-card>

    </el-col>

    <el-col style="margin-top:20px"
            :span="16">

      <div class="num">
        <el-card v-for="item in countData"
                 :key="item.name"
                 :body-style="{display: 'flex', padding: 0}">
          <i class="icon"
             :class="`el-icon-${item.icon}`"
             :style="{background: item.color}"></i>
          <div class="detail">
            <p class="num">￥{{item.value}}</p>
            <p class="txt">{{item.name}}</p>
          </div>
        </el-card>
      </div>

      <el-card style="height: 280px;">
        <div style="height: 280px"
             ref="echarts"></div>
      </el-card>

      <div class="graph">
        <el-card style="height:260px">
          <div style="height:240px"
               ref="userEcharts"></div>
        </el-card>
        <el-card style="height:260px">
          <div style="height:240px"
               ref="videoEcharts"></div>
        </el-card>
      </div>

    </el-col>

  </el-row>
</template>

<script>

import { getData } from '/api/data.js'
import * as echarts from 'echarts'

export default {
  name: 'Home',
  data () {
    return {
      userImg: require('/src/assets/images/sailuo.jpg'),
      tableData: [
        {
          name: 'oppo',
          todayBuy: 100,
          monthBuy: 300,
          totalBuy: 800
        },
        {
          name: 'vivo',
          todayBuy: 100,
          monthBuy: 300,
          totalBuy: 800
        },
        {
          name: '苹果',
          todayBuy: 100,
          monthBuy: 300,
          totalBuy: 800
        },
        {
          name: '小米',
          todayBuy: 100,
          monthBuy: 300,
          totalBuy: 800
        },
        {
          name: '三星',
          todayBuy: 100,
          monthBuy: 300,
          totalBuy: 800
        },
        {
          name: '魅族',
          todayBuy: 100,
          monthBuy: 300,
          totalBuy: 800
        }
      ],
      tableLabel: {
        name: '课程',
        todayBuy: '今日购买',
        monthBuy: '本月购买',
        totalBuy: '总购买'
      },
      countData: [
        {
          name: "今日支付订单",
          value: 1234,
          icon: "success",
          color: "#2ec7c9",
        },
        {
          name: "今日收藏订单",
          value: 210,
          icon: "star-on",
          color: "#ffb980",
        },
        {
          name: "今日未支付订单",
          value: 1234,
          icon: "s-goods",
          color: "#5ab1ef",
        },
        {
          name: "本月支付订单",
          value: 1234,
          icon: "success",
          color: "#2ec7c9",
        },
        {
          name: "本月收藏订单",
          value: 210,
          icon: "star-on",
          color: "#ffb980",
        },
        {
          name: "本月未支付订单",
          value: 1234,
          icon: "s-goods",
          color: "#5ab1ef",
        },
      ],
      echartData: {
        order: {
          xData: [],
          series: []
        },
        user: {
          xData: [],
          series: []
        },
        video: {
          series: []
        }
      }
    }
  },
  mounted () {
    getData().then(res => {
      const { code, data } = res.data
      if (code === 20000) {
        this.tableData = data.tableData
        const order = data.orderData
        const xData = order.date
        const keyArray = Object.keys(order.data[0])
        const series = []
        keyArray.forEach(key => {
          series.push({
            name: key,
            data: order.data.map(item => item[key]),
            type: 'line'
          })
        })

        const option = {
          xAxis: {
            data: xData
          },
          yAxis: {},
          legend: {
            data: keyArray
          },
          series
        }
        const E = echarts.init(this.$refs.echarts)
        E.setOption(option)

        // 用户图
        const userOption = {
          legend: {
            // 图例文字颜色
            textStyle: {
              color: "#333",
            },
          },
          grid: {
            left: "20%",
          },
          // 提示框
          tooltip: {
            trigger: "axis",
          },
          xAxis: {
            type: "category", // 类目轴
            data: data.userData.map(item => item.date),
            axisLine: {
              lineStyle: {
                color: "#17b3a3",
              },
            },
            axisLabel: {
              interval: 0,
              color: "#333",
            },
          },
          yAxis: [
            {
              type: "value",
              axisLine: {
                lineStyle: {
                  color: "#17b3a3",
                },
              },
            },
          ],
          color: ["#2ec7c9", "#b6a2de"],
          series: [
            {
              name: '新增用户',
              data: data.userData.map(item => item.new),
              type: 'bar'
            }, {
              name: '活跃用户',
              data: data.userData.map(item => item.active),
              type: 'bar'
            }
          ],
        }
        const U = echarts.init(this.$refs.userEcharts)
        U.setOption(userOption)

        // 饼图
        const videoOption = {
          tooltip: {
            trigger: "item",
          },
          color: [
            "#0f78f4",
            "#dd536b",
            "#9462e5",
            "#a6a6a6",
            "#e1bb22",
            "#39c362",
            "#3ed1cf",
          ],
          series: [
            {
              data: data.videoData,
              type: 'pie'
            }
          ],
        }
        const V = echarts.init(this.$refs.videoEcharts)
        V.setOption(videoOption)

      }
    })
  }
}
</script>

<style>
</style>